| kringle | <molecular biology> Triple looped, disulphide linked protein domains, found in some serine proteases and other plasma proteins, including plasminogen (5 copies), tissue plasminogen activator (2 copies), thrombin (2 copies), hepatocyte growth factor (4 copies), apolipoprotein A (38 copies). (18 Nov 1997) |
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| kringles | Triple-looped protein domains linked by disulfide bonds. These common structural motifs, so-named for their resemblance to danish pastries known as kringlers, play a role in binding membranes, proteins, and phospholipids as well as in regulating proteolysis. Kringles are also present in coagulation-related and fibrinolytic proteins and other plasma proteinases. (12 Dec 1998) |